Philips DVP3350V/01 Service Manual page 25

VCR ELECTRICAL TROUBLESHOOTING GUIDE
3-3. When the Capstan Motor doesn't run,
When the Capstan Motor doesn't run,
Does
12VA appear at the
PMC01?
Does
2.8V appear at the
PMC01?
Check the PMC01 and the
Capstan Motor Ass'y.
Aren't the foil patterns and Components
between IC501 Pin33 and PMC01
Pin9 short?
Does the
CFG signal come into the
IC501 Pin67?
Does the
Capstan PWM signal appear at
the IC501 Pin33?
Aren't the foil patterns and Components
between IC501 Pin33 and PMC01
Pin9 short?
NO
YES
YES
YES
YES
NO
YES
NO
YES
Refer to "SMPS(CAPSTAN/12Volt)
Trouble Shooting".
NO
PWM signal appear at the
IC501 Pin33?
CFG signal appear at the
PMC01 Pin1?
Check the Capstan Motor Ass'y.
Aren't the foil patterns and component
between IC501 Pin67 and PMC01
Replace IC501.
3-8
Does the
NO
Does the
NO
Pin1 short?